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Stainless Steel 430 |
Related Metals: |
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No Related Metal names.
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Specifications: |
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AISI 430
AMS 5503
AMS 5627
ASTM A176
ASTM A182
ASTM A240
ASTM A268
ASTM A276
ASTM A314
ASTM A473
ASTM A479
ASTM A493
ASTM A511
ASTM A554
ASTM A580
ASTM A815
DIN 1.4016
QQ S763
QQ S766
UNS S43000
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Chemistry Data |
Carbon |
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0.12 max |
Chromium |
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16 - 18 |
Iron |
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Balance |
Manganese |
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1 max |
Phosphorus |
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0.04 max |
Silicon |
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1 max |
Sulphur |
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0.03 max |
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General Information |
Principal Design Features |
A basic ferritic non-heat treatable stainless steel. Its strengths are in ductility, formability, good corrosion and oxidation resistance, thermal conductivity and finish quality. |
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Applications |
Appliance, automotive and architectural trim, vaults, heat exchangers, scientific apparatus and vending machine components. |
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Machinability |
Rated at 60 % of B1112. Relatively easily machined in all common procedures. |
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Forming |
Similar in forming characteristics to 304 stainless steel without the same degree of ductility. It does not, however, work harden greatly. |
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Corrosion Resistance |
Resistant to fresh water and mild atmospheric corrodants. Successful in exterior automotive trim applications except in coastal areas where salt water and air will cause corrosion. |
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Welding |
All common welding methods used for stainless will be successful with 430. Filler metal should be AWS E/ER308 or 312. |
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Forging |
Bring the workpiece to 1500 F (816 C), then on quickly to 1900 F (1038 C). Prolonged exposure at this temperature will cause grain growth. Do not work this material at less than 1500 F (816 C). Air cool to room temperature and anneal. |
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Hot Working |
Generally the recommended method of hot forming is to work the material at between 1300 and 1500 F. Hot forming is only required on heavy sections. |
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Annealing |
Soak at 1500 F, furnace cool (50 F/hour) to 1100 F, then air cool. |
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Hardening |
430 does not respond to hardening by heat treatment. |
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Physical Data |
Density (lb / cu. in.) |
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0.276 |
Specific Gravity |
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7.75 |
Specific Heat (Btu/lb/Deg F - [32-212 Deg F]) |
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0.11 |
Electrical Resistivity (microhm-cm (at 68 Deg F)) |
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360 |
Melting Point (Deg F) |
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2750 |
Modulus of Elasticity Tension |
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29 |
